When you want to draw a round circle accurately, you need to use a tool such as a compass, and drawing it freehand in one shot is extremely difficult. ' Draw a Perfect Circle ' is a service that ...

Welcome to The Riddler. Every week, I offer up problems related to the things we hold dear around here: math, logic and probability. There are two types: Riddler Express for those of you who want ...

Forbes contributors publish independent expert analyses and insights. Barry Collins is a tech journalist writing about PCs, Macs and games. We’ve all been in shades of lockdown for months, it’s the ...

If your circles always end up looking like a deformed eggplant and you don't have a compass nearby, here's a simple trick to drawing a perfect circle with just a pencil and your finger. Whether you're ...